Whatsminer power supply unit PSU P21D 3500W for whatsminer miner M3, M10S, M20S, M21S, M30S, M31S with square cable plug Specification: Product Name: WhatsMiner P21D switching power supply Model: P21-GB-12-3300-D-V1 Material: Metal Color: Silver Input: 200-277 VAC 50/60Hz…